Intermediate thrust arc

Author: Tianjiang Shuo

Website: https://cislunarspace.cn

Definition

A Lawden term for a trajectory segment where the switching function S(t)≡0, so the thrust acceleration magnitude is not determined by the minimum principle and can take any value between zero and maximum. Known as a singular arc in optimal control theory.

Application Value

Intermediate thrust arc is a fundamental concept in cislunar mission design, playing an important role in orbital design and tracking planning.

References

  • Prussing - 2010 - Primer vector theory and applications
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Contributors: ouyangjiahong, Ou Yang Jiahong